Research materials for German language and literature support the study of language, literatures, art, history, and culture of German-speaking countries with a focus on Germany
MLA International Bibliography indexes citations to journal articles, books, dissertations, and scholarly web sites in disciplines such as language, literature, folklore, linguistics, literary theory and criticism, and the dramatic arts. Coverage includes literature from all over the world and includes citations to materials in many languages other than English. 1926-present.
Linguistics & Language Behavior Abstracts indexes citations and abstracts from journals, conference proceedings, books, and dissertations in the field of linguistics and related language sciences. You can limit to peer-reviewed sources. 1973-present.
Linguistic Bibliography Online indexes citations of journal articles and book chapters in linguistics. It includes publications from interdisciplinary fields, such as anthropology, psychology, sociology, philosophy and computer science and extensive coverage of non-Indo-European and lesser-known Indo-European languages. 1993-present.